Andrea Ong, M.D.
NPI 1902826472 · Anatomic Pathology & Clinical Pathology Physician · Sacramento, CA
Enrolled with Medicare as Practitioner - Pathology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Andrea Ong, M.D. is a Anatomic Pathology & Clinical Pathology Physician provider in Sacramento, CA (NPI 1902826472).
Provider details
- NPI number
- 1902826472
- Entity type
- Individual
- Primary specialty
- Anatomic Pathology & Clinical Pathology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- A75526 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Other Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
2,893 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Pathology Examination of Tissue Using a Microscope, Intermediate Complexity88305 | 774 | $38 |
| Cell Examination of Specimen, Selective Cellular Enhancement Technique88112 | 445 | $75 |
| Pathology Examination of Tissue Using a Microscope, Intermediate Complexity88305 | 336 | $78 |
| Special Stained Specimen Slides to Examine Tissue, Each Additional Procedure88341 | 161 | $28 |
| Evaluation of Fine Needle Aspirate With Interpretation and Report88173 | 152 | $183 |
| Special Stained Specimen Slides to Examine Tissue, Initial Procedure88342 | 118 | $35 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-20
- Last updated
- 2021-01-27
- Certified
- 2021-01-27
Frequently asked questions
- What is Andrea Ong's NPI number?
- Andrea Ong's National Provider Identifier (NPI) is 1902826472, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Andrea Ong's specialty?
- Andrea Ong is listed in the NPPES registry with a primary specialty of Anatomic Pathology & Clinical Pathology Physician (Allopathic & Osteopathic Physicians).
- Where is Andrea Ong located?
- Andrea Ong's practice location on file with NPPES is 3301 C St, Sacramento, CA 95816-3300.
- What is Andrea Ong's phone number?
- The practice phone number listed in the NPPES registry for Andrea Ong is (916) 447-6267.
- Does Andrea Ong accept Medicare?
- Andrea Ong is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Andrea Ong's NPI active?
- Yes — Andrea Ong's NPI (1902826472) is active in the NPPES registry as of the last update on 2021-01-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.